Turnbuckle.



No. 634,43l. Patented 00L 3, 1899. F. H. DAVIS. TUBNBUCKLE.

Application filed May 15. 1899.

No Model.)

HYVENTOR 5.46. W

I I l T NE SSES A flame m: NORRIS Pzrzns cu, FHOYO-LITHD.. WASHINGYON, o. c.

'UNITED STATES PATENT FFICE.

FRANCIS HARLEY DAVIS, OF NEN YORK, N. Y., ASSIGNOR TO THE DAVIS OALYX DRILL COMPANY, OF SAME PLACE.

TURNBUCKLE.

SPECIFICATION forming part of Letters Patent No. 634,431, dated October 3, 1899.

Application filed May 15, 1899. Serial No. 716,903. (No model.)

To aZZ whom it mag concern: and are provided with screw-threaded holes Be it known thatLFRANOIS HARLEY DAVIS, or openings for the reception of screw- 4o engineer, of the city of New York, in the threaded truss-rods 6, as shown. county of New York and State of New York, It will be seen that myimproved turnbuckle 5 have invented certain new and useful Imcan be placed in position on the truss-rod and provements in Turnbuckles; andI do hereby the whole device shipped as one piece, as the declare the followingto be afull, clear, and ex central link 2 will permit the turnbuckle and act description of the invention, such as will rod to be folded in a small space and occupy enable others skilled in the art to which it apno more room than the truss-rod alone. IO pertains to make and use the same. Various slight changes might be resorted My invention relates to an improvement in to in the general form and arrangement of turnbuckles, the object of the invention bethe several parts described without departing 5o ing to provide a turnbuckle which can be from the spirit and scope of my invention,

folded, and hence will permit the truss-rod and hence I would have it understood that I :5 with the turnbuckle thereon to be folded into do not wish to limit myself to the precise dea small space for shipment. tails set forth, but consider myself at liberty 1 A further objectis to provide a turnbuckle to make such slight changes and alterations whichwill act as a universal joint and no as fairly fall within the spirit and scope of matter how slack will stillallow the appamy invention.

20 ratus to turn freely, adjusting itself the while. Having fully described my invention, What A further object is to provide a turnbuckle I claim as new, and desire to secure by Letters which will permit of a great adjustment of Patent, is

the truss-rod. 1. As an article of manufacture, a turn- A further object is to provide a turnbuckle buckle comprising three links the end links 25 which will be extremely simple in construchaving screw-threaded holes therein for the tion, cheap to manufacture, strong and durareception of rods. ble, and most effectual when in use. 2. As an article of manufacture, a turm \Vith these objects in view the invention buckle comprising a link, a link connected at consists in certain novel features of construceach end of said first-men tioned link, enlarge- 30 tion and combinations and arrangements of ments on said last-mentioned links having parts, as will be more fully hereinafter de screw-threaded holes or openings therein. scribed, and pointed out in the claims. In testimony whereof I have signed this In the accompanying drawings, Figure 1 is a specification in the presence of two subscribview illustrating my improvements,and Fig. 2 ing witnesses.

35 is a view in section of same. FRANCIS HARLEY DAVIS.

My improved turnbuckle comprises three \Vitnesses: links 1, 2, and 3. The end links 1 and 3 are 'THOMAS NV. PEYTON,

enlarged at their outer ends, as shown at at, H. O. WESTLAKE. 

